Practice Questions on Computer Concepts

I'll put at least 10 of these on the first exam

1. A "rescue disk"
A.Automatically reformats your hard drive
B.is used to restart the monitor so you can see
C.Dials 411 using your modem
D.restores setup information in the CMOS
E.erases your EPROM and restores DOS after a crash
F.opens beer bottles after exams
2.1024 bytes is equal to
A.one gigabyte
B.one megabyte
C.one kilobyte
D.four bytes
E.the capacity of a HD 3.5" floppy disk
3.RAID is a form of _____________ storage?
A.floppy disk
B.tape
C.cd rom
D.hard disk
E.physical file
4.The number 655,360 is
A.the typical capacity in bytes of a high-density 3.5" floppy disk
B.the size in bytes of a typical virus
C."640K"
D.the size in bytes of Windows 3.11
E.the typical capacity in bytes of a double-density 5.25" floppy disk
5.In DOS, what do you type to make a new directory on the hard drive?
A.A:dir
B.C:md
C.C:cd
D.C:dir
E.A:md
6.What is a means by which humans and computers can communicate?
A.DASD
B.GUI
C.virus
D.bytes
E.head crash
7.When your hard drive's performance slips down and the files saved get spread out to many nonadjacent clusters you should do:
A.clean your floppy disk
B.install a new hard drive
C.defragment your hard drive
D.run an anti-virus program
E.all of the above
F.None of the above
8.The start boot program is initiated when the microprocessor begins to execute the instructions stored in
A.RAM
B.SIMM
C.ROM
D.VIRTUAL MEMORY
E.CMOS
F.Eliphino
9.Which of the following has more storage capacity?
A.megahertz
B.megabyte
C.gigabyte
D.kilohertz
E.mosquito byte
F.none of the above
G.all of the above
10.The device driver is
A.A legal contract that defines the ways in which you may use a computer program.
B.software that controls use of hardware such as memory and disk storage space.
C.The system software that helps the computer control a peripheral device.
D.The technical term for a crash test dummy.
E.Application software that helps you draw pictures, 3-D images, and animation.
11.Which is not considered system software?
A.Operating systems
B.Command Interpreters
C.Windows Write
D.Device Drivers
E.Utilities
12.A batch file...
A.Contains instructions that tell a computer how to combine batches of spreadsheets.
B.Contains words, numbers and pictures that you can view, edit, save, send and print.
C.contains commands you use to automate operating system tasks.
D.Has to do with recipe files
E.writes over viruses
13.Almost all microcomputers have
A.CDR and keyboard
B.CDR and monitor
C.keyboard and monitor
D.printer and plotter
E.SCSI and Jacuzzi
F.bananas stuck in the back
14.Which of the following is usually NOT located on the motherboard:
A.RAM
B.ROM
C.BUS
D.Realtime clock
E.Hard drive
15.Which of the following storage devices is not magnetic?
A.hard drive
B.floppy disk
C.CD-ROM
D.tape drive
E.none of the above
16.What keys warm reboot your computer?
A.Ctrl+ Alt+ Esc
B.Alt+ Delete
C.Ctrl+ Alt+ Delete
D.Ctrl+ Delete
E.flick the switch quickly
F.flick your bick under the power supply
17.Which file extension usually indicates a graphic file?
A.*.txt
B.*.bmp
C.*.exe
D.*.grfc
E.*.sys
18.A type of copyrighted software marketed under a "try before you buy" policy:
A.application software
B.shareware
C.public domain software
D.pirated software
E.single-user license
19.RAM on PC's is usually described in:
A.Megahertz (MHz)
B.milliseconds
C.megabytes
D.gigabytes
E.bytes
F.femtohertz
20. A function of RAM is:
A.starts computer, runs system diagnostics, controls low-level I/O activities
B.transports data between components on the main board
C.performs arithmetic and logical operations
D.temporarily holds programs and data that is waiting to be processed
E.provides a way to add devices to a computer system
21.Which step is not part of an instruction cycle process?
A.fetch
B.interpret
C.demonstrate
D.execute
E.increment instruction pointer
22.Which is not an example of an expansion port?
A.SIMM
B.SCSI
C.MIDI
D.parallel
E.serial
23.Which type of memory requires very little power and is powered by a battery?
A.virtual
B.RAM
C.ROM
D.Random Access BPD
E.CMOS
24.F A T stands for what?
A. final access task
B.file allocation table
C.formatting and testing
D.Fix All Tracks
E.formatted access tools
F.What the programmer sits on
25.The letter "D" in the acronym DOS stands for?
A.Direct
B.Disk
C.Double
D.Data
E.Darnit

26.What kind of virus hides itself from virus detection programs?
A.invisible
B.Nondetectable by AntiVirus (NAV) that's why you need NAVSCAN
C.stealth
D.monomorphic
E.non-devending abitor
27.A computer uses a "FAT" to:
A.allocate system resources.
B.regulate voltage from the power supply.
C.decipher ASCII code into numbers and letters.
D.locate file parts on disk.
E.control the use of volatile RAM.
28.Which extension usually indicates a sound file?
A.*.Bmp
B.*.Txt
C.*.Wav
D.*.Bat
E.*.SFL
F.*.DRP
29.Which of these is not used primarily for data storage?
A.RAM
B.ROM
C.Modem
D.hard disk
E.Floppy Disk
30.A bit represents what?
A.two characters of data
B.a copied file (Binary Transport)
C.The smallest amount of data
D.one character of data
E.half of twenty five cents
F.What a computer costs
31.An operating system...
A.is where you edit *.txt files or *.bat files
B.manages the resources of your pc and helps run programs
C.is a window that allows you to add icons to the desktop
D.A and C only
E.usually has bright lights and scalpels
32.Formatting disks
A.should be done each time before you add any data
B.is only needed for floppy disks
C.sets up a data storage structure
D.makes sure the right fonts and headings are used
E. tells your machine what kind of disk drive it has
33.A boot sector virus activates when you
A.start up your computer.
B.Shut down your computer.
C.Boot your computer out the door.
D.Email a friend.
E.reach the year 2000
34.what codes are used for character data
A.ASCII & RAM
B.EBCDIC & ROM
C.ASCII & EBCDIC
D.ROM & RAM
E.BYTE & SIMM
F.Damon & Pythias
35.of the following, which is a typical executable file extension?
A.*.DRV
B.*.COM
C.*.VBX
D.*.DLL
E.none of the above
36.The autoexec.bat is an example of-
A.A root directory
B.A pre-owned car
C.A data file
D.keystrokes executed at startup
E.none of the above
F.all of the above
37.Used for the permanent storage of data a computer uses when it is first turned on?
A. RAM
B.ROM
C.CMOS
D.SIMM
E.DIP
38.when you can use more than one application at a time, this is called
A.hot swap
B.sharing
C.multitasking
D.minitasking
E.documentcentricity
39.Which one is a message displayed by the computer that asks for input from the user?
A.user id
B.error
C.password
D.prompt
E.user ego
40.Software that maintains electronic mailboxes and sends messages from one computer to another?
A.E-mail
B.groupware
C.server
D.host computer
E.gate way
41.A typical utility software package might..
A.draw pictures
B.play chess
C.retrieve data from a damaged disk
D.help pay utility bills
E.manage routine monitor display output
F.all of the above
42.Port used for mouse connection?
A.serial
B.parallel
C.SCSI
D.MIDI
E.peripheral
F.Gallo
43.A parallel port is usually used to connect a
A.modem
B.printer
C.mouse
D.none of the above
E.all of the above
44.Practical limit on length of parallel cable to avoid excessive electromagnetic noise-
A.10 Feet
B.25 Feet
C.150 Feet
D.6 Feet
E.No Limit to Distance
45.In the DOS system, what command gets information on disk capacity and utilization?
A.menu
B.MD
C.chkdsk
D.memory
E.view CAPU
46.Contains words, numbers,and pictures that can view, edit, save, send, and print.
A.executable file
B.data file
C.batch file
D.source file
E.DASD
47.A gigabyte is:
A.1,024 bytes
B.1024 megabytes
C.3,000,000 bytes
D.225,000 bytes
E.90K
48.A data bus contains:
A.1,024 bytes
B.RAM and ROM
C.data lines and address lines
D.the CPU
E.registers and the accumulator
49.When copying disks a person copies from the _______ disk to the ________ disk.
A.first...second
B.shareware...freeware
C.source...target
D.root directory...sub-directory
E.target...source
50.When you minimize a window____________
A.It shrinks and it stops running
B.It still runs even though it's shrunk
C.It switches the application on the screen
D.It closes the application
E.It changes the dimensions of the window
51.In serial transmission, the bits representing a byte are sent out
A.only if voice-grade lines are used.
B.exclusively in EBCDIC.
C.one after another.
D.four bits at a time.
E.all at once.
52.What code uses 1's and 0's?
A.enigma
B.basic
C.binary
D.DNA
E.The Code of 10's
F. Hammurabi (but then, I didn't mean to babble on about this)
53.What command is used to check the contents of a floppy disk when in dos?
A.cd
B.md
C.ver
D.dir
E.rd (read disk)
F.look in the slide window to see it. It looks kinda like a flat flexible plastic disk but be careful, because it's spring-loaded and could slap shut.